DE102012102812A1 - Apparatus and method for reducing restoring forces of packing coats in a filling machine - Google Patents

Apparatus and method for reducing restoring forces of packing coats in a filling machine Download PDF

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Publication number
DE102012102812A1
DE102012102812A1 DE102012102812A DE102012102812A DE102012102812A1 DE 102012102812 A1 DE102012102812 A1 DE 102012102812A1 DE 102012102812 A DE102012102812 A DE 102012102812A DE 102012102812 A DE102012102812 A DE 102012102812A DE 102012102812 A1 DE102012102812 A1 DE 102012102812A1
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Germany
Prior art keywords
packing
transport
edges
filling machine
packing jacket
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DE102012102812A
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German (de)
Inventor
Klaus Baltes
André Vetters
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Elopak Systems AG
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Elopak Systems AG
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Priority to DE102012102812A priority Critical patent/DE102012102812A1/en
Publication of DE102012102812A1 publication Critical patent/DE102012102812A1/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/24Breaking creases to facilitate setting-up cartons
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/12Feeding flexible bags or carton blanks in flat or collapsed state; Feeding flat bags connected to form a series or chain
    • B65B43/14Feeding individual bags or carton blanks from piles or magazines
    • B65B43/16Feeding individual bags or carton blanks from piles or magazines by grippers
    • B65B43/18Feeding individual bags or carton blanks from piles or magazines by grippers by suction-operated grippers
    • B65B43/185Feeding individual bags or carton blanks from piles or magazines by grippers by suction-operated grippers specially adapted for carton blanks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/26Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
    • B65B43/28Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by grippers co-operating with fixed supports
    • B65B43/285Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by grippers co-operating with fixed supports specially adapted for boxes, cartons or carton blanks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74Auxiliary operations
    • B31B50/76Opening and distending flattened articles
    • B31B50/78Mechanically
    • B31B50/782Mechanically by pushing the opposite ends of collapsed blanks towards each other

Abstract

The invention relates to a method for reducing restoring forces of packing coats in a filling machine. Flat folded packing jacket are removed from a magazine of the filling machine, erected to form a parallelogram in cross-section packing jacket and then transferred to a transport device for transporting the erected packing jacket along a transport path. In order to allow a reduction of the restoring force adapted to the respective material of the packing jacket, without increasing the cycle time for the removal and unfolding of the flat-folded packing jacket, it is proposed that the restoring force be increased by temporarily increasing the internal angles between the packing walls at the outer folding edges 90 °, while the erected packing jacket is on the transport path of the transport device. The reduction of the restoring force can take place during the movement or during a standstill of the packing jacket on the transport route. Furthermore, a filling machine for carrying out the method is proposed.

Description

  • The invention relates to a method for reducing restoring forces of packing coats in a filling machine, wherein each flat folded packing jacket has four mutually separated packing walls by parallel outer and inner folding edges and at the outer folding edges each having an acute inner angle between the packing walls, comprising the method steps .
    • Inserting flat-folded package coats into a magazine of the filling machine,
    • - Remove one flat folded wrapper from the magazine,
    • - Unfolding of the flat-folded packing jacket to a cross-sectional parallelogram forming upright packing jacket and
    • - Passing the erected packing jacket to a transport device for transporting the erected packing jacket along a transport path.
  • Filling machines for filling products, in particular liquid foods, into packing containers made of cardboard composite material are known from the prior art. To build known filling machines, for example, on the EP 0 936 992 B1 and the DE 41 42 167 C2 pointed.
  • The usually parallelepiped packing containers are produced only in the filling machine due to the better transport ability from knitted edges and welded together to pack coats packing. Each flat folded packing jacket has four packing walls separated from each other by parallel outer and inner fold edges. At the outer fold edges of the flat-folded packing jacket, a sharp inner angle is enclosed in each case between the packing walls. The inner fold edges of the flat folded packing jacket are arranged between the outer fold edges. At the inner fold edges of the flat-folded packing jacket, an obtuse inner angle is enclosed in each case between the packing walls. If the packing walls have matching dimensions, the inner crease edges divide the distance between the outer crease edges on the middle.
  • The at least one conveyor line of the filling machine, the flat folded packaging coats are fed from a magazine. In the magazine, the packing shells are arranged as a stack, usually standing upright, one behind the other. At a removal side of the magazine pointing in the direction of the conveyor line, two of the four packing walls of the respective front packing jacket are exposed. The stack is acted upon at its back in the direction of the removal side with a force, for example, a spring or a linear drive, to move the packing coats of the stack to the removal side.
  • A removal and unfolding device comprises a gripper for detecting one of the two released on the removal side of the magazine packing walls, a guide for the other of the two released packing walls and in the direction of movement behind the guide arranged holding elements for receiving the outer fold edges of the unfolded packing jacket.
  • The removal and unfolding device folds the initially flat folded packaging jacket into a packing jacket forming a rectangle in cross-section. The unfolded packing jacket is taken over by a transport device. Along the conveyor line of the filling machine, the packing containers produced from the packing shells are sterilized, filled and subsequently closed. The preparation of the package bottom is usually carried out immediately before filling. Subsequently, the packing head is usually produced.
  • In particular, transport wheels or circulating conveyor belts with pocket-shaped receptacles for the unfolded packing shells or packing containers are used as transport means. The stepwise rotating transport wheels have a plurality of radially outwardly extending, parallel recordings. The recordings are usually designed as mandrels, on which the unfolded packing coats or packing containers are pushed; One then speaks of a mandrel wheel. In another embodiment of such a transport wheel, each receptacle comprises a plurality of arms or profiles that come to rest on the outside, in particular directly next to the bent edges of the unfolded packing jacket or of the packing container. In this case, the receptacles form cells into which the unfolded packing shells or packing containers can be inserted; one speaks then of a cellular wheel.
  • Hereinafter, belonging to the prior art filling machine with removal and Auffaltvorrichtung the company SIG Combibloc GmbH in D-52441 Linnich on hand of 1a) - d) explained in more detail:
    The flat-folded pack coats ( 1 ) are standing upright in the magazine ( 2 ) Stored the filling machine. Each flat-folded packing sheath ( 1 ) has four parallel outer edges ( 3a . 3b ) and inner fold edges ( 4a . 4b ) separate packing walls ( 5a . 5b . 6a . 6b ) on.
  • A withdrawal page ( 7 ) of the magazine ( 2 ) gives the two forward facing packing walls ( 5a . 5b ) of the respective front jacket ( 1 ) free. So that the packing shells ( 1 ) on the withdrawal side ( 7 ) do not fall out of the magazine, are on the sampling side ( 7 ) Retaining elements ( 8a . 8b ) arranged along the outer edges ( 3a . 3b ) of the front packing jacket ( 1 ). The respective front packing jacket ( 1 ) is not in the full width of the two packing walls ( 5a . 5b ). Rather, the packing jacket ( 1 ) only on one of the two released packing walls ( 5a ) of the packing jacket ( 1 ) on the withdrawal side ( 7 ) of the magazine ( 2 ) (cf. 1a) ). For detecting the packing wall ( 5a ) is a suction pad ( 9 ), which at one about a vertical axis ( 10 ) pivotally mounted pivoting arm ( 11 ) is attached. By one around the axis ( 10 ) executed pivoting movement of the suction pad ( 9 ) first loosens the outer bending edge ( 3a ) of the retaining element ( 8a ), wherein in the further pivoting movement of the suction pad ( 9 ) around the opposite outer bending edge ( 3b ), which are still separated from the retaining element ( 8b ), a flat parallelogram, as shown in particular 1a) recognizable forms. In the course of the further pivotal movement comes first the outer bending edge ( 3b ) of the retaining element ( 8b ) free. Subsequently, the packing jacket ( 1 ) with the other of the two released packing walls ( 5b ) sliding along a curved guide surface ( 12 ) of a guide element ( 13 ) guided. The guide surface ( 12 ) causes during the movement of the packing jacket ( 1 ) along the path of movement ( 14 ) an increase in the acute inner angle ( 15a . 15b ), wherein the inner angle ( 15a ) between the package walls ( 5b . 6b ) and the interior angle ( 15b ) between the package walls ( 5a . 6a ) are included. In the direction of the movement path ( 14 ) is located at the end of the curved guide surface ( 12 ) a holding element ( 16 ), in the form of a groove-shaped depression in the guide element ( 13 ) is introduced. The retaining element ( 16 ) serves to receive the outer bending edge ( 3b ) of the unfolded packing jacket ( 1 ). Also in the direction of the movement path ( 14 ) behind the guide surface ( 12 ) is another, stationary holding element ( 17 ) in the form of a retaining strip ( 17 ) for receiving the diametrically opposite outer bending edge ( 3a ). The distance and orientation of the retaining elements ( 16 . 17 ) is carried out in such a way that that of the holding elements ( 16 . 17 ) accommodated packing jacket in cross-section forms a rectangle. This orientation is necessary for transferring the completely unfolded packing jacket to the transport device downstream of the removal and unfolding device, such as, in particular, the transport wheels mentioned in the introduction.
  • Because the packing coats ( 1 ) before insertion in the magazine ( 2 ) were stored or transported long in the flat folded state, cause the creases ( 3a . 3b . 4a . 4b ) of the packing jacket ( 1 ) Restoring forces, the unfolding of the wrapper ( 1 ) counteract. With the unfolding of the initially flat-folded packing sheath ( 1 ) to a cross-sectional parallelogram, in particular a rectangle forming packing jacket take the restoring forces.
  • To reduce the restoring forces, the packing shells ( 1 ) by means of the suckers at the end of the curved guide surface ( 12 ) moves slightly beyond the rectangular cross-section, so that the initially pointed inner angle ( 15a . 15b ) of the packing jacket briefly slightly more than 90 °, as is 1c) is recognizable.
  • You want the packing jacket ( 1 ) thereby in the ungeknickten bend edges ( 3a . 3b ) so that the packing jacket ( 1 ) after erecting as closely as possible the desired rectangular or square cross section ( 1d) ) and maintains.
  • However, the overstretching of the creases is only partially successful, because depending on the nature of the cardboard, it would be necessary to overstretch the packing casing more or less. However, an individual overstretching is due to the constant movement path ( 14 ) of the suction pad ( 9 ) not possible. In addition, the additional movement of the suction pad ( 9 ) takes time for overstretching, thereby lengthening the picking and unfolding cycles. This cycle extension reduces the working speed of the entire filling machine.
  • In order not to limit the speed of the filling machine too much despite overstretching, the packing shells are removed and unfolded with the highest possible speed. This occurs when snapping the creases ( 3a . 3b ) in the holding elements ( 16 . 17 ) to a high noise level.
  • Based on this prior art, the invention is based on the object to provide a method that allows a matched to the respective material of the package casing reduction of the restoring force without increasing the cycle time for the removal and unfolding of the flat folded package shell. Furthermore, a filling machine for carrying out the method is to be proposed.
  • The solution to this problem is based on the idea of decoupling the reduction of the restoring forces of the packing jacket from the removal and Auffaltvorgang. In detail, the object is achieved in a method of the type mentioned above in that the restoring force is reduced by temporarily increasing the internal angle between the packing walls at the outer creases to more than 90 °, while the erected packing jacket is on the transport path of the transport device.
  • The invention uses free time window on the transport path, the removal device and Auffaltvorrichtung downstream transport device for the reduction of the restoring force. This makes it possible to carry out an adapted overstretching at shorter cycle times for the unfolding and removal process.
  • Due to the adapted overstretching and reducing the restoring force, the friction of the packing shells during insertion or removal is reduced by the inclusion of a transport wheel; In addition, it is prevented that the fully erected packing jacket is twisted in itself.
  • A filling machine for carrying out the method according to the invention is characterized by a device arranged on the transport device for reducing the restoring force in the erected packing jacket by temporarily increasing the internal angle between the packing walls at the outer crease edges to more than 90 °.
  • The downstream transport means is preferably operated incrementally to permit proper transfer of the erected packing jacket to the transport means and to carry out further processing steps on the erected packing casing, such as the formation of the bottom of the packing container.
  • The idle times resulting from the stepwise operation of the transport device are preferably used to reduce the restoring force. Alternatively, however, the restoring force can also be reduced during a movement of the erected packing jacket along the transport path.
  • A preferred method for reducing the restoring force during standstill of the stepwise operated transport device is to move the outer bending edges towards each other in the direction of the cross-sectional diagonal between the outer bending edges of the erected packing jacket, so that the inner angle between the packing walls on the outer Bending edges increased to more than 90 °. About the movement length, the required overstretching can be adjusted to the height of the material-dependent restoring forces.
  • A method for reducing the restoring force, in particular during a movement of the erected packing jacket along the transport path of a step-by-step transport device, is characterized in that the inner angle between the packing walls is increased to more than 90 ° at the outer bending edges, in which two opposing Packungswände be pivoted parallel to each other in each case about one of the two outer fold edges. Due to the size of the pivot angle of this parallel pivoting movement, the amount of reduction of the restoring force is adjusted.
  • For the usual composite materials used for producing the packing containers, it has been found that in order to reduce the restoring force, the internal angle between the packing walls at the outer folding edges is preferably increased to an angle in the range between 120 ° and 180 °. Such enlargement was previously unreasonable in the interests of reasonable cycle times for the removal and unfolding process of the prior art. According to the invention, it is even possible due to the time windows now available on the transport path of the downstream transport device to repeatedly increase the internal angle between the packing walls at the outer folding edges to more than 90 °, in particular at least 120 °.
  • Due to its compact design and suitability for a stepwise operation, the removal device and Auffaltvorrichtung downstream transport device is preferably designed as a transport wheel having a plurality of radially outwardly extending receptacles for each a packing jacket, each Receiving multiple profiles, which can be brought to and / or adjacent to the bending edges of the packing jacket to the plant and the transport device has a drive for rotating the transport wheel about an axis of rotation. Common transport wheels in filling machines have four shots arranged uniformly over the circumference of the axis of rotation. The drive of the transport wheel is designed as a stepper drive, with which the receptacles for the packing jackets after turning the transport wheel by a step angle, in particular of 90 °, can be brought into a standstill position. After transferring the erected packing jacket to the downstream transport wheel, the transport wheel rotates further by the step angle, so that a further receptacle of the transport wheel rotates in a position aligned with the holding elements of the removal and unfolding device. In this further recording, a further packing jacket is inserted immediately after the rotational movement. By rotating the transport wheel, the previously loaded with a packing jacket recording comes in a, in particular horizontal, standstill position.
  • Either the device for reducing the restoring force during the standstill of the transport wheel is activated or during the rotation of the transport wheel by the aforementioned step angle.
  • A device for reducing the restoring force during the stoppage of the transport wheel can be particularly favorably integrated into the filling machine, if each receptacle has at least a first profile, which can be brought to bear on or next to one of the two outer creases of the packing jacket and the recording at least two second Has profiles that can be brought to bear next to the other of the two outer creases of the packing jacket.
  • The restoring force of the erected in cross-section rectangle packing jacket causes the packing jacket is securely held in the at least three profiles having recording. If the receptacle has only a first profile, this is preferably designed as an angle profile, which can be brought to bear against the bending edge. The two second profiles, which can be brought to bear against the opposite outer bending edge, are preferably designed as rods.
  • In one configured with such first and second profiles transport wheel is preferably provided as a device for reducing the restoring force during the stoppage of the transport wheel on at least one of the two outer creases temporarily attacking pusher movable in the direction of extending between the outer edges of the erected carton folding cross-sectional diagonal is. The distance of the second profiles from the outer buckling edge is preferably determined so that the pushing element is movable through the rods in the direction of the outer buckling edge. During the stoppage of the transport wheel, the stationary mounted pushing element compresses the packing casing along the cross-sectional diagonal, whereby the inner angle between the packing walls at the outer folding edges is increased to more than 90 °. The travel of the thrust element in the direction of the cross-sectional diagonal is determined until the restoring force is broken. In this case, the packing jacket is supported on the first profile of the receptacle. After retraction of the pusher element, the packing jacket again straightens until it again comes to rest on the two second profiles.
  • In one embodiment of the invention, it is also conceivable that the receptacle has a first and a second, each configured as an angle profile profile, which can be brought to the outer fold edges to the plant. One of the two angle sections has a section designed as a pushing element which is temporarily movable in the direction of the cross-sectional diagonal running between the outer bending edges of the erected packing jacket.
  • An almost complete integration of the device for reducing the restoring force in the transport wheel is achieved in that each receptacle has two first mounts, the two first mounts receiving one of the two outer creases and one of the two inner creases of the package mantle, each receptacle receiving two second mounts in which the two second holders receive the other of the two outer crease edges and the other of the two inner crease edges of the packing jacket, that the two first holders are fixedly arranged on the transport wheel and the second holders are arranged so pivotably on the transport wheel, so that the pivoting movement of the two second holders two opposing packing walls are parallel to each other about one of the two outer fold edges pivotally. By pivoting the two second brackets during standstill or rotation of the transport wheel, the internal angle between the packing walls is temporarily increased at the outer crease edges to more than 90 °, thereby breaking the restoring force.
  • Another advantage of a filling machine with pivotally mounted brackets is that the transfer of the erected packing jacket to the downstream transport device can already take place when the flat folded packing jacket is erected in cross section to form a parallelogram whose cross section only about 1/3 of the rectangular cross section of the fully erected packing jacket. The thus only partially erected packing jacket is pushed into the receptacle of the transport wheel, which is due to the pivotally mounted second brackets able to safely receive the partially erected packing jacket. As a result, the complete erection of the flat folded package jacket can be partially displaced into the downstream transport device.
  • The two second holders of each receptacle are preferably mechanically connected to one another and form the coupling of a coupling gear which is arranged on the transport wheel. In the same way, the two first brackets can be connected to a single profile. The pivotal movement of the two second brackets initially causes the complete erection of the packing jacket until it has a rectangular or square cross-section. In the course of the further pivoting movement, the restoring force is reduced. The filling machine has a device for pivoting the two second holders and thus also for reducing the restoring force.
  • The apparatus comprises a cylinder cam gear having a cylindrical fixed cam body coaxial with the axis of rotation of the sprocket, a cylindrical cam disposed in the cam body, a scanning element guided in the cylinder cam, and a linkage on one side with the sensing element and on the other side is connected to the second brackets. The cylinder curve in the cam body is designed such that first the second pair of holders erects the packing jacket into a rectangle or square. The further course of the cylinder curve causes a continuation of the pivoting movement, whereby the inner angle between the packing walls at the outer crease edges is increased to more than 90 °. Such a configuration of the cylinder curve causes the device to reduce the restoring force during the rotation of the transport wheel is active.
  • If the previously described device for reducing the restoring force during the stoppage of the stepwise operable transport wheel should be activated, at least a portion of the cylinder cam is arranged in a displaceable in the direction of the axis of rotation of the transport wheel segment of the cam. The sensing element reaches this portion of the cylinder cam at the time the package jacket is erected into a square. Then, the portion of the cylinder curve, for example, with a mechanically operated plunger, moved from a starting position in the direction of the axis of rotation of the transport wheel, whereby the pivotal movement of the second brackets is continued despite stoppage of the transport wheel. After pivoting of the second holder for the purpose of reducing the restoring force, the slidably guided segment of the cam is retracted to its initial position, so that the portion of the cylinder cam in the slidable segment is aligned with the rest of the cylindrical cam arranged in the stationary cam. In the course of the cylinder curve is annular, so that the second brackets are no longer moved over the linkage during the following rotation of the transport wheel by a step angle until they are pivoted during rotation by the last step angle before reaching the transfer position of the transport wheel so that the only partially erected packing jacket can be inserted into the receptacle.
  • The invention will be explained in more detail with reference to the figures. Show it:
  • 2 a schematic perspective partial view of a filling machine before the activation of a device for reducing the restoring force,
  • 3 a partial view of the filling machine after 2 during the activation of the device for reducing the restoring force,
  • 4a -D is a schematic view illustrating the removal and unfolding of pack coats from a magazine of a filling machine according to the 2 and 3 .
  • 5a -B is a schematic illustration for illustrating the reduction of the restoring force in a filling machine according to the 2 and 3 .
  • 6 a schematic perspective partial view of a second embodiment of a filling machine while reducing the restoring force on a packing jacket and simultaneously transferring a further packing jacket to a transport device,
  • 7 a partial view of the filling machine after 6 during the rotation of the transport wheel,
  • 8a -D is a schematic illustration for illustrating the reduction of the restoring force in a filling machine according to the 6 and 7 .
  • 9a -F schematic perspective partial views of a third embodiment of a filling machine, in which the reduction of the restoring force during rotation of the transport wheel takes place and
  • 10a C is a schematic illustration for illustrating the reduction of the restoring force in a filling machine according to the 9a f.
  • As far as the in the 2 - 10 partially filled filling machines according to the invention for filling liquid food in packing containers comprise matching components, such as partially in 1 Filling machine according to the prior art shown, matching reference numerals are used. In addition, the explanatory notes to the in 1 shown filling machine reference.
  • On a frame ( 20 ) of the filling machine 2 - 5 is the beginning of the conveyor line the magazine ( 2 ) for receiving the flat-folded packing shells ( 1 ) for producing the packing containers. The magazine ( 2 ) comprises holding profiles ( 21a , b) at the outer edges ( 3a , b) the packaging coats ( 1 ) get to the plant. The withdrawal side ( 7 ) of the magazine ( 2 ) gives the two front packing walls ( 5a , b) the total of four packing walls ( 5a , b, 6a , b) of the respective front jacket ( 1 ) free. The on the conveyor line of the filling machine the magazine ( 2 ) downstream removal and unfolding device comprises a suction gripper ( 9 ) with three pneumatic suckers for detecting the on the withdrawal side ( 7 ) released packing wall ( 5a ). The suction pad ( 9 ) is along a straight-line path of movement ( 23 ) perpendicular to the released packing wall ( 5a ) is arranged displaceably.
  • The removal and Auffaltvorrichtung also has a flat guide surface ( 24 ) for the outer bending edge ( 3b ) of the other of the two released packing walls ( 5b ) of the packing jacket ( 1 ) on. The flat guide surface ( 24 ) leads the outer bending edge ( 3b ) sliding.
  • In the direction of the movement path ( 23 ) behind the planar guide surface ( 24 ) is a stationary holding element ( 17 ) for receiving the outer bending edge ( 3a ). The retaining element ( 25 ) for receiving the diametrically opposite outer bending edge ( 3b ) is between one in the 4a C shown starting position and a in 4d shown end position by means of a linear drive back and forth. Both the stationary holding element ( 17 ) as well as the movable holding element ( 25 ) are designed as an angle profile. The two angularly arranged surfaces of the angle profiles enter the in 4d illustrated end position on the package walls ( 5a . 6a respectively. 5b . 6b ) to the plant.
  • As in particular from the 4a -D recognizable decreases the distance of the flat guide surface ( 24 ) and the movement path ( 23 ) of the suction pad ( 9 ) from the sampling side ( 7 ) of the magazine ( 2 ) in the direction of the retaining elements ( 17 . 25 ) continuously.
  • To that of the holding elements ( 17 . 25 ) completely in the erected, in cross-section a square forming packing jacket ( 1 ) to a transport device downstream of the removal and unfolding device ( 26 ) to hand over the filling machine is the suction gripper ( 9 ) with an actuator ( 22 ) vertically movable up and down.
  • The transport device ( 26 ) comprises an about a rotation axis ( 28a ) rotatable transport wheel ( 29 ) with four radially outwardly extending receptacles each having a first profile ( 30 ) and two second profiles ( 31 ) exhibit. The first profile ( 30 ) is designed as an angle guide and is at the outer bending edge ( 3b ) Can be brought to the plant. The two second profiles ( 31 ) are designed as rod profiles and are located directly next to the outer bending edge ( 3a ) Can be brought to the plant. The first and second profiles ( 30 . 31 ) form cells into which the unfolded packing shells with rectangular cross-section are inserted. The axis of rotation ( 28a ) of the transport wheel ( 29 ) lies in a vertical plane transverse to the conveyor line ( 23 ) of the filling machine. The transport wheel ( 29 ) is stepped by a drive, not shown, by 90 ° about the axis of rotation ( 28a ) turned. From the illustrated transport wheel ( 29 ), the unfolded packing shells ( 1 ) are transferred to further, not shown in the figures, transport facilities to perform on the packing coats further processing steps.
  • At the transport device is a device ( 32 ) arranged to reduce the restoring force. The device ( 32 ) for reducing the restoring force comprises a pusher element ( 33 ), which has one arm ( 34 ) with a movement drive ( 35 ) connected is. The thrust element designed as an angle profile ( 33 ) extends parallel to the outer bending edge ( 3a ), at which it can be brought temporarily to the plant, whereby the bending edge ( 3a ) on the edge formed between the legs of the angle profile ( 36 ) is present. The movement drive ( 35 ) is on the frame ( 20 ) of the filling machine attached.
  • The filling machine after the 2 . 3 works as follows:
    After removal and unfolding of the wrapper ( 1 ) this is in the vertically downwardly facing receiving the transport wheel ( 29 ) inserted. Subsequently, the transport wheel ( 29 ) counterclockwise ( 37 ) rotated by a step angle of 90 ° by means of the drive, not shown, so that the previously loaded recording in a horizontal, pointing to the right stoppage position. In this standstill position of the transport wheel ( 29 ) the movement drive ( 35 ) of the device for reducing the restoring force, so that the thrust element ( 33 ) at the outer bending edge ( 3a ) arrives at the plant. In the course of further movement of the thrust element ( 33 ) the packing walls ( 5a . 6a ) of the rod-shaped second profiles ( 31 ), while the outer creases ( 3a , b) in the direction of the cross-sectional diagonal ( 38 ) to move towards each other. The inner angle ( 39 ) between the package walls ( 5a . 6 respectively. 5b . 6b ) at the outer crease edges ( 3a , b) increased to more than 90 °, as can be clearly seen 5b is recognizable. This enlargement of the inner angle ( 39 ) breaks the preload force in the creases ( 3a , b) as well as the inner crease edges ( 4a , b). Subsequently, the thrust element ( 33 ) with the help of the movement drive ( 35 ) withdrawn to the starting position, so that the packing jacket ( 1 ) again assumes a rectangular cross section, but with reduced restoring force. Finally, the transport wheel ( 29 ) further rotated by a step angle of 90 °, whereby the next, from the vertically downwardly facing recording previously recorded packing jacket ( 1 ) arrives in the horizontal right-facing standstill position and a reduction of the restoring force takes place.
  • The in the 6 and 7 partially shown filling machine differs from that in the 2 and 3 shown filling machine in that a not yet fully erected to a rectangle or square packing jacket ( 1 ) to the vertically downwardly receiving the transport wheel ( 29 ). Furthermore, the device ( 32 ) to reduce the restoring force constructed differently. As far as the in the 6 and 7 shown filling machine has matching components such as partially in 2 and 3 shown filling machine, matching reference numerals are used. In addition, reference is made to the explanations there for the avoidance of repetitions.
  • The transport wheel ( 29 ) also has four receptacles, each receptacle having a first, radially outwardly extending profile (FIG. 40 ) which is stationary on the transport wheel ( 29 ) is arranged. The first profile ( 40 ) is angled at the side edges. The angled profile areas form first mounts ( 41 ) for receiving the outer bending edge ( 3a ) as well as the inner bend edge ( 4a ) of the packing jacket ( 1 ). A second profile ( 42 ) also extends radially outward and is also angled in the edge regions. The angled areas form second mounts ( 43 ) for receiving the other outer bending edge ( 3b ) and the other inner bending edge ( 4b ) of the packing jacket ( 1 ). The second profile ( 42 ) is designed as a coupling of a linkage with four joints that a straight-line movement of a linkage ( 44 ) in a swinging movement of the second profile ( 42 ) converts. The coupling mechanism has two wings ( 45 ) at one end, extending the second profile ( 42 ) ( 46 ) are articulated and at the other end hinged to the axle body ( 28b ) of the transport wheel ( 29 ) are articulated. The wings ( 45 ) move parallel to the side walls ( 6a . 5b ) of the packing jacket ( 1 ).
  • The linkage ( 44 ) is made in two parts. The linkage is divided into an angled part ( 44a ) and a rectilinear part ( 44b ). The angled part ( 44a ) is at the bottom of the second profile ( 42 ) hinged. At the opposite end is the angled part ( 44a ) hinged with the rectilinear part ( 44b ) connected. The rectilinear part ( 44b ) is at the gelenkfernen end with a sensing element ( 47 ) connected in the form of a cam roller. The straight-line section ( 44b ) is rotationally fixed to the axle body ( 28b ) associated guide element ( 48 ) in the direction of the axis of rotation ( 28a ) of the transport wheel ( 29 ) forced. The scanning element ( 47 ) is part of a cylinder cam gear ( 49 ). The cylinder cam gear ( 49 ) has coaxial with the axis of rotation ( 28a ) of the transport wheel ( 29 ) a fixed to the frame ( 20 ) arranged cam followers ( 50 ) on. In the cam body ( 50 ) is a cylinder curve ( 51 ) is introduced in the form of a groove, which the scanning element ( 47 ) leads. A section ( 52 ) of the cylinder curve ( 51 ) is part of a in the direction of the axis of rotation ( 28a ) slidable segment ( 53 ) of the cam body ( 50 ). The segment ( 53 ) is in a scenery ( 54 ) of the cam body ( 50 ) by means of an actuator ( 55 ) back and forth. The movement takes place with the aid of a drive not shown for clarity.
  • The following is the method for reducing restoring forces in packing coats ( 1 ) in a filling machine after the 6 and 7 based on 8a -D explained in more detail.
  • 8a shows a plan view of the vertically downwardly facing receiving the transport wheel ( 29 ). In this position of the recording of only partially raised to a parallelogram packing jacket ( 1 ) inserted into the receptacle. In the present embodiment, the packing jacket ( 1 ) to a rhombus, which is about 1/3 of the square cross-section of the fully erected packing jacket ( 1 ) having. Subsequently, the transport wheel ( 29 ) clockwise ( 56 ) further rotated by a step angle of 90 °, so that the recording shows horizontally to the left (see. 6 ). During this 90 ° rotation, the scanning element ( 47 ) in the cylinder curve ( 51 ) inwards in the direction of the transport wheel ( 29 ), whereby the linkage ( 44 ) the second profile ( 42 ) in the in 8b shown standstill position pivots. In the in 8b illustrated standstill position of the recording, in which it shows horizontally to the left, is the packing jacket ( 1 ) erected in cross-section to a square. Order now from the creases ( 3a , b, 4a , b) restoring forces in the packing jacket ( 1 ), the interior angle ( 39 ) between the package walls ( 5a . 6a respectively. 5b . 6b ) at the outer crease edges ( 3a respectively. 3b ) increased to more than 90 °. In the in 8b , c represent horizontally to the left-facing position of the recording is the sensing element ( 47 ) in the section ( 52 ) of the displaceably arranged segment ( 53 ) of the cam body ( 50 ). With the help of the actuator ( 55 ) the segment ( 53 ) now in the direction of the axis of rotation ( 28a ) inwards in the direction of the transport wheel ( 29 ), causing the second profile ( 42 ) in the zur 8a) opposite position after 8c ) vibrates. As a result, the inner angle ( 39 ) increased to a value of more than 90 °, in the illustrated embodiment of about 130 °. Subsequently, during the standstill in the vertically left-facing position of the recording, the actuator ( 55 ) withdrawn until the section ( 52 ) again with the rest of the cylinder curve ( 51 ) is aligned, as in 8d) is recognizable.
  • Now, two more rotations of the transport wheel ( 29 ) by a step angle of 90 °, wherein the fully erected and in the creases overstretched packing jacket ( 1 ) maintains its square cross-section. This is achieved in that the sensing element ( 47 ) during the subsequent two rotations by step angles of in each case 90 ° in an annular section ( 57 ) of the cylinder curve ( 51 ) to be led. As soon as the receptacle points horizontally to the right, the erected packing jacket with reduced restoring force is transferred to a subsequent transport device, not shown for the sake of clarity. During the subsequent rotation of the recording from this transfer position by 90 ° in the vertically downward takeover position ( 8a ) the scanning element ( 47 ) in the outbound section ( 58 ) of the cylinder curve ( 51 ), whereby the pivotable second profile ( 42 ) again in the in 8a position for the acquisition of a further partially erected packaging mantle ( 1 ).
  • In the 9a F partially filled inventive filling machine largely corresponds to the filling machine according to the 6 and 7 , As far as the filling machine has matching components, matching reference numerals are used. In addition, the explanations to the filling machine after the 6 . 7 Referenced.
  • The main difference between the filling machine after the 9a) -F) and the filling machine after the 6 and 7 is that reducing the restoring force exclusively during a movement of the erected packing jacket ( 1 ) along the transport path of the transport wheel ( 29 ), but not during standstill of the transport wheel, as in the embodiments of the filling machine after the 2 respectively. 6 and 7 , The shots of the transport wheel are consistent as in the embodiment according to 6 and 7 designed, so that in this respect reference is made to the statements there. The device ( 32 ) for reducing the restoring force differs from that for the filling machine after the 6 and 7 in that no section ( 52 ) of the cylinder curve ( 51 ) in a movable segment ( 53 ) of the cam body ( 50 ) is arranged. A movable segment ( 53 ) is dispensable because the movement of the second profile ( 42 ) solely through the movement of the sensing element ( 47 ) in the continuous cylinder curve ( 51 ) during the rotation of the transport wheel ( 29 ) is caused.
  • Subsequently, the complete erection of the packing jacket and the subsequent overstretching of the packing edges ( 3a , b, 4a , b) explained in more detail:
  • 9a) . 10a) show the transport wheel ( 29 ) with vertically downwardly pointing receptacle, in which the assumption of the erected in cross section to a non-squared parallelogram packing jacket ( 1 ) he follows. The scanning element ( 47 ) is in the cylinder curve ( 51 ) at the maximum possible distance to the transport wheel ( 29 ). During the subsequent rotation of the transport wheel in a clockwise direction ( 56 ) by a step angle of 90 °, the scanning element ( 47 ) on an internally guided section ( 59 ) of the cylinder curve ( 51 ) in the direction of the transport wheel ( 29 ), whereby the linkage ( 44 ) the second profile ( 42 ) in the in 9c) . 10b) shown pivoted position. In this position, the two interior angles ( 39 ) between the packing walls at the outer crease edges ( 3a , b) to an angle of more than 90 °, in the illustrated embodiment of about 140 °, and thereby enlarged by the bending edges ( 3a , b, 4a , b) reduced outgoing restoring forces.
  • Then the transport wheel ( 29 ) further rotated by a further step angle of 90 °, wherein the sensing element ( 47 ) an externally guided section ( 58 ) of the cylinder curve ( 51 ) goes through. The second profile ( 42 ) by means of the linkage ( 44 ) in the in 10c) . 9e) pivoted shown position in which the packing jacket ( 1 ) has the desired square cross-section with reduced restoring forces. The picture points vertically upwards. In this position, a processing step can be performed on the fully erected packing jacket, such as the formation of the package bottom.
  • In the clockwise direction by a step angle of 90 ° ( 56 ) further rotated position, in which the recording shows horizontally to the right, the machined packing casing ( 1 ) are transferred to a downstream transport device. The rotation between the position with vertically upwardly facing recording in the position with horizontally facing to the right recording takes place without further pivoting of the second profile. For this purpose, the scanning element ( 47 ) in an annular, out 10c) apparent section ( 57 ) of the cylinder curve ( 51 ) guided.
  • The device described above 9 is used in particular when the cardboard boxes processed in the filling machine have a largely constant quality and, for the reduction of the restoring force, the size of the oscillation amplitude of the second profile (FIG. 42 ) does not have to be changed. The device after 6 . 7 is used, in particular, in filling machines in which packing shells ( 1 ) are processed with different carton texture. By adjusting the stroke of the slidably guided segment ( 53 ), the amplitude of the oscillatory motion of the second profile ( 42 ) are adapted to the condition of the box. LIST OF REFERENCE NUMBERS No. description No. description 1 pack casing 31 Second profile (bar profiles) 2 magazine 32 Device for reducing the restoring force 3a , b outer creases 33 push element 4a , b inner fold edges 34 poor 5a , b package panels 35 motion drive 6a , b package panels 36 Edge (angle profile) 7 removal side 37 counterclockwise 8th Retaining elements 38 Sectional diagonal 9 Suction pads 39 interior angle 10 axis 40 first profile 11 swivel arm 41 first bracket 12 guide surface 42 second profile 13 guide elements 43 second bracket 14 motion path 44 linkage 15a , b interior angle 45 Swing 16 retaining elements 46 booms 17 retaining elements 47 Sensing element (cam roller) 18 - 48 guide element 19 - 49 Cylinder cam mechanism 20 frame 50 cam 21a , b retaining profiles 51 cylinder cam 22 actuator 52 section 23 motion path 53 segment 24 guide surface 54 scenery 25 retaining element 55 actuator 26 Transport facility 56 clockwise 27 coat slide 57 annular section 28a axis of rotation 58 outgoing Sect. 28b axle body 59 inwardly guided Sect. 29 Transport wheel 30 first profile (angle profile)
  • QUOTES INCLUDE IN THE DESCRIPTION
  • This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
  • Cited patent literature
    • EP 0936992 B1 [0002]
    • DE 4142167 C2 [0002]

Claims (15)

  1. Method for reducing restoring forces of packing sheaths ( 1 ) in a filling machine, each flat-folded packing casing ( 1 ) four by parallel outer ( 3a , b) and inner ( 4a , b) kink edges separated packing walls ( 5a , b, 6a , b) and at the outer kink edges ( 3a , b) each an acute inner angle ( 39 ) between the package walls ( 5a , b, 6a , b) comprising the method steps, - inserting flat-folded package coats ( 1 ) in a magazine ( 2 ) of the filling machine, - removing in each case a flat folded casing ( 1 ) from the magazine ( 2 ), - unfolding of the flat-folded packing sheath ( 1 ) to a cross-sectional parallelogram forming upright packing jacket ( 1 ) and - handing over the erected coat ( 1 ) to a transport device ( 29 ) for transporting the erected packing jacket ( 1 ) along a transport path, characterized by - reducing the restoring force by temporarily increasing the internal angle ( 39 ) between the package walls ( 5a , b, 6a , b) at the outer edges ( 3a , b) more than 90 ° while the erected packing jacket ( 1 ) on the transport path of the transport device ( 26 ) is located.
  2. Method according to claim 1, characterized in that the transport device ( 26 ) and reducing the restoring force during a standstill of the erected packing jacket ( 1 ) takes place on the transport route.
  3. Method according to claim 1, characterized in that the transport device ( 26 ) and reducing the restoring force during a movement of the erected packing jacket ( 1 ) takes place along the transport path.
  4. Method according to one of claims 1 to 3, characterized in that the inner angle ( 39 ) between the package walls ( 5a , b, 6a b) at the outer crease edges are increased more than 90 ° by the outer edges of the crease ( 3a , b) in the direction of a cross-sectional diagonal between the outer crease edges ( 3a , b) the erected wrapper ( 1 ) are moved towards each other.
  5. Method according to one of claims 1 to 3, characterized in that the inner angle ( 39 ) between the package walls ( 5a , b, 6a b) at the outer crease edges are increased more than 90 °, in which two opposing packing walls ( 6a . 5b ) parallel to one another in each case around one of the two outer crease edges ( 3a , b) are pivoted.
  6. Method according to one of claims 1 to 5, characterized in that the inner angle ( 39 ) between the package walls ( 5a , b, 6a , b) is increased at the outer crease edges to an angle in the range between 120 ° to 180 °.
  7. Filling machine for filling products into packaging containers comprising - a magazine ( 2 ) for receiving flat-folded pack coats ( 1 ) for the preparation of the packaging containers, each flat-folded packing jacket ( 1 ) four by parallel outer ( 3a , b) and inner fold edges ( 4a , b) separate packing walls ( 5a , b, 6a , b) and at the outer kink edges ( 3a , b) each an acute inner angle ( 39 ) between the package walls ( 5a , b, 6a , b), - a removal and unfolding device for removing in each case a flat-folded packing jacket ( 1 ) from the magazine ( 2 ) and for unfolding the flat-folded packing sheath ( 1 ) to a cross-sectional parallelogram forming upright packing jacket ( 1 ), - a transfer device for transferring the erected packing jacket to a downstream transport device ( 26 ) for transporting the erected packing jacket ( 1 ) along a transport path, characterized by - one at the transport device ( 26 ) arranged device for reducing the restoring force ( 32 ) of the erected wrapper ( 1 ) by temporarily increasing the internal angle ( 39 ) between the package walls ( 5a , b, 6a , b) at the outer edges ( 3a , b) more than 90 °.
  8. Filling machine according to claim 7, characterized in that - the transport device ( 26 ) a transport wheel ( 29 ) with a plurality of radially outwardly extending receptacles for each one packing jacket ( 1 ) having, - each recording multiple profiles ( 30 . 31 . 40 . 42 ) at and / or next to the creases ( 3a , b) the packing jacket ( 1 ) can be brought to the plant and - the transport device ( 26 ) a drive for rotating the transport wheel ( 29 ) has an axis of rotation.
  9. Filling machine according to claim 8, characterized in that the drive is designed as a step drive, with which the receptacles for the packing shells ( 1 ) after turning the transport wheel ( 29 ) can be brought to a standstill position by a step angle and the device for reducing the restoring force ( 32 ) is activated during standstill of the transport wheel.
  10. Filling machine according to claim 8, characterized in that the drive is a stepper drive, with which the receptacles for the packing shells ( 1 ) after turning the transport wheel ( 29 ) can be brought to a standstill position by a step angle and the device for reducing the restoring force ( 32 ) during rotation of the transport wheel ( 29 ) is activated.
  11. Filling machine according to claim 9, characterized in that - the recording at least a first profile ( 30 ), which at one of the two outer fold edges ( 3b ) of the packing jacket ( 1 ) can be brought to the plant and - the recording at least two second profiles ( 31 ), which next to the other of the two outer crease edges ( 3a ) of the packing jacket ( 1 ) can be brought to the plant.
  12. Filling machine according to claim 9 or 10, characterized in that - the receptacle two first holders ( 41 ), one of the two outer creases ( 3a ) and one of the two inner fold edges ( 4a ) of the packing jacket ( 1 ), - the holder has two second holders ( 43 ), the other of the two outer fold edges ( 3b ) and the other of the two inner fold edges ( 4b ) of the packing jacket ( 1 ), - the two first holders ( 41 ) fixed to the transport wheel ( 29 ) are arranged and - the second brackets ( 43 ) pivotally mounted on the transport wheel ( 29 ) are arranged so that by the pivoting movement of the second brackets ( 29 ) two opposing packing walls ( 6a . 5b ) parallel to one another in each case around one of the two outer crease edges ( 3a , b) are pivotable.
  13. Filling machine according to claim 9 or 11, characterized in that the device for reducing the restoring force ( 32 ) at at least one of the two outer fold edges ( 3a , b) temporarily acting thrust element ( 33 ), which in the direction of between the outer creases ( 3a , b) the erected wrapper ( 1 ) extending cross-sectional diagonal is movable.
  14. Filling machine according to claim 12, characterized in that the device for reducing the restoring force ( 32 ) - a cylinder cam gear ( 49 ) with a cylindrical stationary cam ( 50 ) coaxial with the axis of rotation ( 28a ) of the transport wheel ( 29 ), - one in the cam body ( 50 ) arranged cylinder curve ( 51 ), - one in the cylinder curve ( 51 ) guided scanning element ( 47 ) and - a linkage ( 44 ), which on one side with the sensing element ( 47 ) and on the other side with the second, pivotable mounts ( 43 ) is connected.
  15. Device according to claim 9 and 14, characterized in that at least one section ( 52 ) of the cylinder curve ( 51 ) in a direction of the axis of rotation ( 28a ) slidable segment ( 53 ) of the cam body ( 50 ) is arranged.
DE102012102812A 2012-03-30 2012-03-30 Apparatus and method for reducing restoring forces of packing coats in a filling machine Withdrawn DE102012102812A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE102012102812A DE102012102812A1 (en) 2012-03-30 2012-03-30 Apparatus and method for reducing restoring forces of packing coats in a filling machine

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE102012102812A DE102012102812A1 (en) 2012-03-30 2012-03-30 Apparatus and method for reducing restoring forces of packing coats in a filling machine
PCT/EP2013/055477 WO2013143892A1 (en) 2012-03-30 2013-03-15 Device and method for reducing restoring forces of packaging sleeves in a filling machine
US14/389,699 US10011379B2 (en) 2012-03-30 2013-03-15 Apparatus and method for reducing restoring forces of package sleeves in a filling machine
CN201380018508.8A CN104245516B (en) 2012-03-30 2013-03-15 For reducing the apparatus and method of the reset force of Package casing in loader
EP13715621.2A EP2819924B1 (en) 2012-03-30 2013-03-15 Device and method for reducing restoring forces of packaging sleeves in a filling machine
RU2014143644/13A RU2595011C2 (en) 2012-03-30 2013-03-15 Device and method for reducing restoring forces of packaging sleeves in a filling machine

Publications (1)

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DE102012102812A1 true DE102012102812A1 (en) 2013-10-02

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US (1) US10011379B2 (en)
EP (1) EP2819924B1 (en)
CN (1) CN104245516B (en)
DE (1) DE102012102812A1 (en)
RU (1) RU2595011C2 (en)
WO (1) WO2013143892A1 (en)

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DE102017204213A1 (en) * 2017-03-14 2018-09-20 Krones Aktiengesellschaft Handling device and method for unfolding pre-glued carton blanks
DE102017114614A1 (en) * 2017-06-30 2019-01-03 Sig Technology Ag Device for producing packaging with an independent mandrel wheel drive
DE102017114760A1 (en) * 2017-07-03 2019-01-03 Sig Technology Ag Cell Traverse with insert elements for a filling machine
DE102017114814A1 (en) * 2017-07-03 2019-01-03 Sig Technology Ag Method and apparatus for forming unilaterally open packing bodies with an oscillating gripper
DE102017114759A1 (en) * 2017-07-03 2019-01-03 Sig Technology Ag Cell Traverse for a filling machine
WO2020216564A1 (en) * 2019-04-26 2020-10-29 Sig Technology Ag Method and apparatus for at least partially unfolding flat-folded packaging sleeves

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DE102011054327A1 (en) * 2011-10-10 2013-04-11 Elopak Systems Ag Filling machine for filling products into packing containers and method therefor
DE102016209237A1 (en) 2016-05-27 2017-11-30 Sig Technology Ag Container precursor with Aufformkoeffizienten, especially for a single dimensionally stable food container
CN110901154A (en) * 2019-11-27 2020-03-24 肖志坚 Edge folding device for processing packaging box

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DE102017204213A1 (en) * 2017-03-14 2018-09-20 Krones Aktiengesellschaft Handling device and method for unfolding pre-glued carton blanks
DE102017114614A1 (en) * 2017-06-30 2019-01-03 Sig Technology Ag Device for producing packaging with an independent mandrel wheel drive
DE102017114760A1 (en) * 2017-07-03 2019-01-03 Sig Technology Ag Cell Traverse with insert elements for a filling machine
DE102017114814A1 (en) * 2017-07-03 2019-01-03 Sig Technology Ag Method and apparatus for forming unilaterally open packing bodies with an oscillating gripper
DE102017114759A1 (en) * 2017-07-03 2019-01-03 Sig Technology Ag Cell Traverse for a filling machine
WO2020216564A1 (en) * 2019-04-26 2020-10-29 Sig Technology Ag Method and apparatus for at least partially unfolding flat-folded packaging sleeves

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CN104245516A (en) 2014-12-24
US20150068163A1 (en) 2015-03-12
WO2013143892A1 (en) 2013-10-03
CN104245516B (en) 2016-09-07
US10011379B2 (en) 2018-07-03
EP2819924A1 (en) 2015-01-07
RU2595011C2 (en) 2016-08-20
EP2819924B1 (en) 2016-06-08

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